San Francisco City property record for 643 Keith St, San Francisco, CA 94124
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,143 sqft · built 2003 |
| Lot Size | 0.001 acres (21 sqft) |
| Owner | Individual Name on File |
| Last Sale | $238,000 (Jan 2006) |
| Tax Bill | $4,842 (2025) |
| APN | 4720-121 |
| Primary APN | 4720-121 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,143 sqft Living Area |
| Gross Area | 2,851 sqft |
| 1st Floor Area | 2,143 sqft |
| Basement Area | 708 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Lot Area | 21 sqft (0.001 acres) |
| Street Address | 643 KEITH ST |
|---|---|
| City | SAN FRANCISCO |
| State | CA |
| Zip | 94124-1708 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RH2 |
| Legal Subdivision | NEW HUNTERS POINT COMMUNITY 01 |
| Legal Block | 4720 |
| Legal Lot Number | 121 |
| Jurisdiction | SAN FRANCISCO CA |
| Township / Civil Division | BAYVIEW |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 23103 |
643 Keith St is owned and occupied by an individual who acquired it in January 2012.
Source: San Francisco City records, as of September 8, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 643 KEITH ST, SAN FRANCISCO, CA 94124-1708 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 18, 2006 · Amount on File |
| Deed Sale | Jan 18, 2006 · Amount on File |
| Prior Sale | Dec 31, 2003 · Amount on File |
| Deed Document Number | 2006113187 |
| Deed Book / Page | 058 / 47 |
| Last Transfer Date | Jan 24, 2012 |
| Transfer Doc | 0K570/0169 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 643 Keith St was $4,842, up 2.9% from the year before.
Source: San Francisco City assessment roll, as of September 8, 2026
| Type | Name |
|---|---|
| State | California |
| County / Municipality | San Francisco City |
| Unified School District | San Francisco Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $348,018 (+2.02%) Land $174,009 Building $174,009 | |
| 2025 | $4,842.00 (+2.87%) | $341,136 Land $170,568 Building $170,568 |
| 2024 | $4,707.00 (+1.73%) | |
| 2023 | $4,627.00 (+2.25%) | $327,894 Land $163,947 Building $163,947 |
| 2022 | $4,525.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 643 Keith St.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
The area around 643 Keith St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SFPUC CITY DISTRIBUTION DIVISION serves 848,019 people · EPA ID CA3810011 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 835 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: AT&T, GeoLinks, Sonic Telecom, T-Mobile.
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